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Priority claimed from JP6412788Aexternal-prioritypatent/JPH01238520A/en
Priority claimed from JP63065044Aexternal-prioritypatent/JPH0772126B2/en
Application filed by Kao CorpfiledCriticalKao Corp
Priority claimed from EP89104843Aexternal-prioritypatent/EP0333223B1/en
Application grantedgrantedCritical
Publication of ATE83921T1publicationCriticalpatent/ATE83921T1/en